Cuong D. Dao
Offshore Wind Turbine Reliability and Operational Simulation under Uncertainties
Dao, Cuong D.; Kazemtabrizi, Behzad; Crabtree, Christopher J.
Authors
Dr Behzad Kazemtabrizi behzad.kazemtabrizi@durham.ac.uk
Associate Professor
Professor Christopher Crabtree c.j.crabtree@durham.ac.uk
Professor
Abstract
The fast‐growing offshore wind energy sector brings opportunities to provide a sustainable energy resource but also challenges in offshore wind turbine (OWT) operation and maintenance management. Existing operational simulation models assume deterministic input reliability and failure cost data, whereas OWT reliability and failure costs vary depending on several factors, and it is often not possible to specify them with certainty. This paper focuses on modelling reliability and failure cost uncertainties and their impacts on OWT operational and economic performance. First, we present a probabilistic method for modelling reliability data uncertainty with a quantitative parameter estimation from available reliability data resources. Then, failure cost uncertainty is modelled using fuzzy logic that relates a component's failure cost to its capital cost and downtime. A time‐sequential Monte Carlo simulation is presented to simulate operational sequences of OWT components. This operation profile is later fed into a fuzzy cost assessment and coupled with a wind power curve model to evaluate OWT availability, energy production, operational expenditures and levelised cost of energy. A case study with different sets of reliability data is presented, and the results show that impacts of uncertainty on OWT performance are magnified in databases with low components' reliability. In addition, both reliability and cost uncertainties can contribute to more than 10% of the cost of energy variation. This research can provide practitioners with methods to handle data uncertainties in reliability and operational simulation of OWTs and help them to quantify the variability and dependence of wind power performance on data uncertainties.
Citation
Dao, C. D., Kazemtabrizi, B., & Crabtree, C. J. (2020). Offshore Wind Turbine Reliability and Operational Simulation under Uncertainties. Wind Energy, 23(10), 1919-1938. https://doi.org/10.1002/we.2526
Journal Article Type | Article |
---|---|
Acceptance Date | May 7, 2020 |
Online Publication Date | Jun 22, 2020 |
Publication Date | 2020-10 |
Deposit Date | May 7, 2020 |
Publicly Available Date | Jun 24, 2020 |
Journal | Wind Energy |
Print ISSN | 1095-4244 |
Electronic ISSN | 1099-1824 |
Publisher | Wiley Open Access |
Peer Reviewed | Peer Reviewed |
Volume | 23 |
Issue | 10 |
Pages | 1919-1938 |
DOI | https://doi.org/10.1002/we.2526 |
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Copyright Statement
Advance online version This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium,provided the original work is properly cited. © 2020 The Authors.
Published Journal Article
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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